Clock striking mechanism



2 Sheets-Sheet 1.

(No Model.)

W. H. POOL1-1 GLUGK STRIKING MEGHANISM.

No. 396,598. Patented Jan. Z2, 1889.

l 1, 1 i, l

(No Model.)` 2 Sheets-Sheet 2.

W. H. POOLE- CLOCK STRIKING MEGHANISM.

No. 396,598. Patented Jan. 22, 1889.

MQW @@MWWYW@ UNITED STATES WILLIAM II. POOLE,

PATENT OEEICE.

OF OXFORD, IO\YA.

CLOCK STRlKING MECHANISM.

SPECIFICATION forming part of Letters Patent No. 396,598, dated January 22, 1889.

Application tiled June 24, 1887. Serial No. 242,348. No modela .To all whom it may concern.-

Be it known that I, WILLIAM H. PooLE, a citizen of the United States of America, and a resident of Oxford, in the county of Johnson and `State of Iowa, have invented an Improved Automatic (Iounting-l-ell, of which the following is a speciiication.

My object is to provide Masonic and other lodges with a device for signaling high twelve and low twelve accurately and in a pleasing manner at the touch of the operator by means of noise-less mechanism whenever desired; and I accomplish the results contemplated as hereinafter set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which- Figure l is a face view of the ease, from which parts are broken away to disclose the mechanism in the case. Fig. 9 shows part of the frame which supports the operati ve mechanism. The rear side of the frame is removed to give a rear view of the mechanism. Fig. 3 is a view looking down upon the f rame and mechanism attached to the frame.

A represents a portable case, that may vary in size and artistic design and finish as desired.

B is a skeleton frame detachably fixed within the ease by inea-ns of screw-bolts, or in any suitable way to support the operative mechanism.

c is a driving-shaft, adapted to be rotated by means of a key in a common way to wind up a spring.

d is a spring fixed to the shaft d of afusce, and connected with a drum on the shaft c by means of a cord, d, in such a manner that power will be stored in the springby rotating the shaft c.

f is a toothed wheel placed loosely on the shaft c, and provided with a ratchet device that locks it to the shaft, as required, to rotate with the shaft to transmit motion from the shaft to the count-wheel and the bellstriker.

' g is a rotating shaft in parallel position with the shaft o, and connected with the wheel fby means of a lantern-wheel, 71, iixed tothe shaft.

.I is a count-wheel, that has series of twelve uniform teeth and a notch, It, at the end of each series, and is mounted on a bearing fixed l to the frame I3 at a point between the bearings of the parallel shafts f' and g in such a manner that a one-toothed pinion, I, on the end of the shaft y will engage one of the teeth at each revolution of the shaft y] to produce i twelve successive intermittent mot ionsof the count-wheel, as required, to operate the bellstriker twelve times in succession.

in is a cam-wheel Vfixed to the shaft g.

yn is a duplex detent in the form of a rockshaft, that has an arm orpawl that engages the cam-wheel on in such a manner that the cam-wheel will lift the pawls simultaneously at each revolution, as required, to allow the count-wheel J to make twelve successive motions, when the pawls will simultaneously drop into notches in the count-wheel and the cam-wheel, as required to arrest motion.

o is a bell-striker, pivoted to the frame I3 in such a manner that an arm, o', will project inside of the toothed wheel j to engage pins projecting horizontally at regular intervals ol' space from the inside face of the wheel in such a manner that the arm o will be depressed and the striker operated,as required, to strike the bell o, located within reach of the hammer of the striker.

fr is an arm projecting from the shaft ofthe duplex detent.

fr is a wire fastened to the end of the arm r and extended up through the ease A in such a manner that the duplex detent can be lifted thereby to simultaneously dis-engage the pawls from the wheels .I and m, as required, to allmvpower stored in the spring d to aetuate the striking mechanism twelve times in succession. I

s is a shaft that has a lixed lantern-wheel so located that it will be engaged by a toothed wheel, s, on the shaft g.

s is a driver-pulley on the shafts, con nec-ted with a rotating fan, a, by means of an endless cord in such a manner that the fan will perform the function ot' a governor in regulating the motions of the striker mechanisms.

In the practical use ot my invention, when it is wound up and the time has arrived for sounding low twelve or high twelve,7 I simply lift the duplex detent by means of the rod that projects through a perforation in the top of the case, for the purpose of releasing the IOO power stored in the spring, so it will actuate the operative parts, as described.

To guard against any failure in getting the required number of strokes, it is necessary to wind up the spring before the detent is lifted.

I am aware that a twelve-bell striker for clocks has been made in which lever having a hook on its end has dropped by iorce of gravity into notches formed in the annular shoulder of a gear-wheel that had twelve intervening teeth between said notches; but my manner of constructing a. duplex lever or detent with a gear-wheel and a count-wheel to engage them simultaneously to regulate the action of the train aud the striker and my manner of combi ning a fairgovernor with the train and operative striking mechanism are novel and greatly advantageous, in that high and low twelve can be thereby sounded at pleasure without any accompanying rattle or lnoise, such as is incident to clock striking mechanism heretofore used and condemned in lodges.

I claim as my invention- An automatic counting-bell for lodge purposes, comprising the following elements, to wit: a driving-shaft having a fixed drum and a fixed wheel, f, a shaft, g, havinga fixed lantern-wheel, 7i, and a one-toothed pinion, Z, and a toothed wheel, s', a count-wheel, J, a camwheel, fm, and a duplex detent, ln, a rotating' fan connected with the driving` mechanism by means of a band and pulley, a shaft, s, having a Afixed lantern-wheel and a fixed driverpulley, S, a shaft, d', having a spring and fusee fixed thereto, and a bell and a striker arranged and combined with a frame in a case, substantially as shown and described, to operate silently, in the manner set forth, for the purposes stated.

VILLIAM H. POOLE.

Witnesses:

GEO. W. BALL, CHAs. BAKER. 

